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Open-Access Journal
Editorial
Ferenc Sipos, Orsolya Galamb 
World J Gastroenterol 18(7):601-608. Published online Feb 21, 2012. doi: 10.3748/wjg.v18.i7.601
Qing-Jun Wu, Feng-Chun Zhang, Xuan Zhang 
World J Gastroenterol 18(7):609-615. Published online Feb 21, 2012. doi: 10.3748/wjg.v18.i7.609
Review
Teodora Surdea-Blaga, Adriana Băban, Dan L Dumitrascu 
World J Gastroenterol 18(7):616-626. Published online Feb 21, 2012. doi: 10.3748/wjg.v18.i7.616
Original Article
Sarah J McCaskey, Elizabeth A Rondini, Ingeborg M Langohr, Jenifer I Fenton 
World J Gastroenterol 18(7):627-636. Published online Feb 21, 2012. doi: 10.3748/wjg.v18.i7.627
Ana Abajo, Nerea Bitarte, Ruth Zarate, Valentina Boni, Ines Lopez, Marisol Gonzalez-Huarriz, Javier Rodriguez, Eva Bandres, Jesus Garcia-Foncillas 
World J Gastroenterol 18(7):637-645. Published online Feb 21, 2012. doi: 10.3748/wjg.v18.i7.637
Zhi-Zhi Chen, Zheng-Lin Wang, Chong-Yang Deng, Hao Zheng, Xian-Huo Wang, Liang Ma, Xia Ye, Ying-Hua Ma, Cai-Feng Xie, Li-Juan Chen, Yu-Quan Wei 
World J Gastroenterol 18(7):654-661. Published online Feb 21, 2012. doi: 10.3748/wjg.v18.i7.654
Brief Article
Omer Fatih Olmez, Erdem Cubukcu, Ahmet Sami Bayram, Unsal Akcali, Turkkan Evrensel, Cengiz Gebitekin 
World J Gastroenterol 18(7):662-665. Published online Feb 21, 2012. doi: 10.3748/wjg.v18.i7.662
Takayoshi Shishido, Shiro Oka, Shinji Tanaka, Hiroki Imagawa, Yoshito Takemura, Shigeto Yoshida, Kazuaki Chayama 
World J Gastroenterol 18(7):666-672. Published online Feb 21, 2012. doi: 10.3748/wjg.v18.i7.666
Cheong Ah Oh, Dae Hoon Kim, Seung Jong Oh, Min Gew Choi, Jae Hyung Noh, Tae Sung Sohn, Jae Moon Bae, Sung Kim 
World J Gastroenterol 18(7):673-678. Published online Feb 21, 2012. doi: 10.3748/wjg.v18.i7.673
Jian Li, Ji-Fang Gong, Jie Li, Jing Gao, Nai-Ping Sun, Lin Shen 
World J Gastroenterol 18(7):698-703. Published online Feb 21, 2012. doi: 10.3748/wjg.v18.i7.698
Wei Song, Dong-Yan Shen, Jin-He Kang, Shan-Shan Li, Hui-Wang Zhan, Yan Shi, You-Xiong Xiong, Ge Liang, Qing-Xi Chen 
World J Gastroenterol 18(7):704-711. Published online Feb 21, 2012. doi: 10.3748/wjg.v18.i7.704
Case Report